The Ultimate Harry Potter Quiz

In 2003, the OED added "muggle," which the dictionary defines as, "a person who possesses no magical powers ... a person who lacks a particular skill or skills, or who is regarded as inferior in some way."

Harry's father was the wizard, James Potter, and his mother, Lily, was a Muggle-born witch. They were killed by Voldemort when Harry was a baby.

Under Dumbledore's orders, Harry has to live with Vernon and Petunia Dursley (and their awful son, Dudley) when he isn't at Hogwarts.

Bill, Charlie, Percy, Fred, George, Ron and Ginny are the children of Arthur and Molly Weasley.

The use of Avada Kedavra (the killing curse), Crucio (excruciating pain) and Imperio (which causes the victim to obey the spell-caster) are punishable by life in Azkaban.

In addition to her duties as head of Gryffindor, Professor McGonagall teaches Transfiguration. Transfiguration spells change objects from one form to another.

Defence Against the Dark Arts professor, Quirinus Quirrell, is revealed to be under Voldemort's control at the conclusion of the first book.

Moaning Myrtle, the ghost of a former Hogwarts student who haunts the girls' bathroom, introduces Harry to the Tom Riddle diary.

Tom Marvolo Riddle was the last descendant of Salazar Slytherin -- but also a half-blood -- who transformed himself into Voldemort. The name is an anagram of "I am Lord Voldemort."

"Harry Potter and the Prisoner of Azkaban" is the only book without He-Who-Must-Not-Be-Named. He's mentioned, of course, but he never actually shows up.

Sirius Black, Harry's godfather, was wrongfully imprisoned for the murder of Peter Pettigrew. He escaped Azkaban by transforming into his dog animagus form, and he traveled to Hogwarts to commit the crime for which he was imprisoned.

Peter Pettigrew murders all-around good guy Cedric Diggory at the end of the fourth book in the series.

The Order of the Phoenix was an established as a secret society against Voldemort. Hermoine was not old enough to enroll (most likely).

When Draco Malfoy fails to kill Dumbledore, Professor Snape steps in and does the deed. This was at Dumbledore's request.

The final Harry Potter book sold an astonishing 11 million copies within 24 hours of its release on July 21, 2007.

One of the notable owl mentions is Hedwig, who died whilst attempting to protect Harry.

There are other weird uses, like being a cure for verruca.

A publisher at Bloomsbury suggested she use the J.K. to appeal to male readers. She took the K from her grandmother's name, Kathleen.

Mr Hagrid, a wizard, married the giantess Fridwulfa.

He most likely picked this wand because they have good reputation in cursing and dueling.

Did you know that his first name, Albus, translates to White in Latin?

It refers to the Greek myth of Icarus who flew too close to the sun. His wings melted and he fell into the sea and drowned.

“Morsmorde” is the command that makes the Dark Mark (the mark of Voldemort) appear and means “take a bite out of death” in French, making it an appropriate call for Death Eaters.

Ron Weasley's Patronus is a Jack Russell Terrier, which is known for chasing otters.

To prevent Harry Potter and the Deathly Hollows from being leaked, it was given codenames, such as Edinburgh Potmakers and The Life and Times of Clara Rose Lovett: An Epic Novel Covering Many Generations.

Daniel Radcliffe went through 160 pairs of Harry Potter's round-framed glasses during the course of the films.

The Hogwarts school motto is Draco dormiens nunquam titillandus which is Latin for “Never Tickle a Sleeping Dragon.”

In the Hogwarts school, grades include Outstanding, Exceeds Expectations, and Acceptable. The failing grades include Poor, Dreadful, and Troll.

An outbreak of lice among the children cast members occurred while filming Harry Potter and the Chamber of Secrets.

Daniel Radcliffe broke about 80 wands during the filming of the Harry Potter movies because he would use them as drumsticks.